CN111186270A - Electric wheel independent suspension structure with four control arms - Google Patents
Electric wheel independent suspension structure with four control arms Download PDFInfo
- Publication number
- CN111186270A CN111186270A CN202010074304.8A CN202010074304A CN111186270A CN 111186270 A CN111186270 A CN 111186270A CN 202010074304 A CN202010074304 A CN 202010074304A CN 111186270 A CN111186270 A CN 111186270A
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- control arm
- spherical hinge
- arm
- independent suspension
- connecting arm
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G3/00—Resilient suspensions for a single wheel
- B60G3/18—Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram
- B60G3/20—Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram all arms being rigid
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G15/00—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type
- B60G15/02—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring
- B60G15/06—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper
- B60G15/067—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper characterised by the mounting on the vehicle body or chassis of the spring and damper unit
- B60G15/068—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper characterised by the mounting on the vehicle body or chassis of the spring and damper unit specially adapted for MacPherson strut-type suspension
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G7/00—Pivoted suspension arms; Accessories thereof
- B60G7/006—Attaching arms to sprung or unsprung part of vehicle, characterised by comprising attachment means controlled by an external actuator, e.g. a fluid or electrical motor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/02—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
- B60T1/06—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels
- B60T1/065—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels employing disc
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/10—Mounting of suspension elements
- B60G2204/14—Mounting of suspension arms
- B60G2204/149—Mounting of rigid axle on wheel knuckle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2800/00—Indexing codes relating to the type of movement or to the condition of the vehicle and to the end result to be achieved by the control action
- B60G2800/20—Stationary vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2800/00—Indexing codes relating to the type of movement or to the condition of the vehicle and to the end result to be achieved by the control action
- B60G2800/24—Steering, cornering
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention relates to an electric wheel independent suspension structure with four control arms, which comprises a wheel (25), a hub motor, a steering knuckle (4), a frame (26) and an independent suspension, the steering knuckle (4) is fixedly connected with a hub motor, the independent suspension comprises a vibration damping assembly and a control arm assembly, the control arm component comprises a first upper control arm (9), a second upper control arm (13), a first lower control arm (18) and a second lower control arm (20) of which the two ends are respectively connected with a steering knuckle (4) and a frame (26) through spherical hinges, wherein the extension lines of the central connecting lines of the spherical hinges at the two ends of the first upper control arm (9) and the second upper control arm (13) are intersected at the upper virtual spherical hinge point (6), and the extension lines of the central connecting lines of the spherical hinges at the two ends of the first lower control arm (18) and the second lower control arm (20) are intersected at a lower virtual spherical hinge point (24). Compared with the prior art, the invention has the advantages of space saving, strong flexibility and the like.
Description
Technical Field
The invention relates to the field of electric automobile chassis and transmission, in particular to an electric wheel independent suspension structure with four control arms.
Background
In recent years, the investment of countries and enterprises in the field of electric vehicles is increasing, and various electric vehicle driving forms are presented on the market, mainly including two forms of concentrated motor driving and distributed motor driving, wherein the distributed driving can be divided into wheel-edge driving and wheel-hub driving. The hub electric wheel assembly is a core power component of a hub-driven electric automobile, and as the driving system and the whole automobile are simple in structure, large in available space and high in transmission efficiency, the torque of each driving wheel can be independently controlled, and the driving performance under the condition of bad road surfaces can be improved, so that the hub electric wheel assembly becomes a research hotspot. However, since the motor is installed in the driving wheel, the space inside the wheel is compact, which is disadvantageous to the arrangement of the connection point of the knuckle and the suspension when the wheel hub driving system is used for a steerable wheel.
Chinese patent CN02266310.X proposes an independent suspension motor drive axle modular structure, which is integrally connected with a vehicle body, and comprises an independent suspension structure, wheels and brakes which are fixedly connected with the independent suspension structure, and a wheel-side motor which is integrally connected with the wheels, wherein the independent suspension structure is fixedly connected with the vehicle body. The modular structure can automatically realize multiple functions of supporting the load of the vehicle body, driving, braking, steering, damping and the like, and the whole system has a compact structure; however, although the patent has multiple functions of shock absorption, driving, steering and the like, the displacement of a kingpin is too large due to the fact that the connection point of a suspension and a steering knuckle is arranged outside a wheel because the space in an electric wheel is tense, and the steering is not favorable for the steering portability and the steering stability.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the electric wheel independent suspension structure with the four control arms, so that the use of the space in an electric wheel is avoided, the steering is light, the operation is stable, and the structure is simple.
The purpose of the invention can be realized by the following technical scheme:
an electric wheel independent suspension structure with four control arms comprises a wheel, a hub motor, a steering knuckle, a frame, a steering tie rod and an independent suspension, wherein the hub motor is arranged on the wheel, the steering knuckle is fixedly connected with the hub motor, the independent suspension comprises a vibration damping assembly and a control arm assembly, the vibration damping assembly is connected with the steering knuckle and the frame, the control arm assembly comprises a first upper control arm, a second upper control arm, a first lower control arm and a second lower control arm, two ends of the first upper control arm and two ends of the second upper control arm are respectively connected with the steering knuckle and the frame through spherical hinges, extension lines of spherical hinge center connecting lines at two ends of the first upper control arm and the second upper control arm are intersected with an upper virtual spherical hinge point, extension lines of spherical hinge center connecting lines at two ends of the first lower control arm and the second lower control arm are intersected with a lower virtual spherical hinge point, and centers of the upper virtual spherical hinge point and the lower virtual spherical hinge point are connected to form a virtual main hinge axis, the center of the lower virtual spherical hinge point is positioned in the wheel, the offset distance of the main pin can be reduced, the operation stability of the automobile is improved, and the upper virtual spherical hinge point can be adjusted according to the required offset distance of the main pin and the inclination angle of the main pin.
Furthermore, an upper connecting arm, a lower connecting arm and a transverse pulling connecting arm are arranged on the steering knuckle, the upper connecting arm and the lower connecting arm are both Y-shaped structures, one end of each of the upper connecting arm and the lower connecting arm at one end point side is fixed on the steering knuckle, and one end of the first upper control arm and one end of the second upper control arm are respectively connected with 2 end points of two end point sides of the upper connecting arm through a third spherical hinge and a second spherical hinge; one end of the first lower control arm and one end of the second lower control arm are respectively connected with 2 end points on the two end point sides of the lower connecting arm through a ninth spherical hinge and a tenth spherical hinge, one end of the steering tie rod is connected with the cross-pull connecting arm through the first spherical hinge, and the other end of the steering tie rod is connected with the frame through an eleventh spherical hinge.
Further, the in-wheel motor comprises a rotor, a stator support, a brake caliper and a brake disc, wherein the stator support is arranged on a wheel and fixedly connected with a steering knuckle through a bolt, the rotor is coaxially arranged on the stator support and can respectively rotate around a common axis to transmit torque to the wheel, the stator is sleeved on the stator support and fixedly connected with one end of the stator support through a bolt, the brake caliper is fixedly connected with the steering knuckle through a bolt, and the brake disc is fixed on the rotor through a bolt and rotates together.
Further, the damping subassembly include bumper shock absorber and spring, the knuckle on be equipped with the damping linking arm, the cylinder body of bumper shock absorber be connected with the damping linking arm through eighth ball pivot, the other end is connected and is connected with the automobile body through the revolute pair, spring one end and the cylinder body fixed connection of bumper shock absorber, the automobile body is connected to the other end.
When the wheel jumps up and down and turns, the shock absorber stretches out and draws back along the axis of the shock absorber and swings around the rotating pair, the first lower control arm and the second lower control arm swing around a sixth spherical hinge point and a seventh spherical hinge point respectively, the first upper control arm and the second upper control arm swing around a fourth spherical hinge point and a fifth spherical hinge point respectively, the lower virtual spherical hinge point moves along with the swinging of the first lower control arm and the second lower control arm, the upper virtual spherical hinge point moves along with the swinging of the first upper control arm and the second upper control arm, and the axis of the virtual kingpin also swings along with the changing of the two virtual spherical hinge points.
The extension lines of the central connecting lines of the spherical hinges at the two ends of the first lower control arm and the second lower control arm are intersected in the wheel, so that the offset distance of the main pin is greatly reduced, and meanwhile, according to the requirement of the inner inclination angle of the main pin, the extension lines of the central connecting lines of the spherical hinges at the two ends of the first upper control arm and the second upper control arm can be intersected in the wheel or out of the wheel, so that the steering is light.
Compared with the prior art, the invention has the following beneficial effects:
(1) the invention adopts four control arms to control the electric automobile wheel, the two ends of the four control arms are respectively connected with a steering knuckle and a frame through spherical hinges, wherein the extension lines of the central connecting lines of the spherical hinges at the two ends of a first upper control arm and a second upper control arm are intersected at an upper virtual spherical hinge point, the extension lines of the central connecting lines of the spherical hinges at the two ends of a first lower control arm and a second lower control arm are intersected at a lower virtual spherical hinge point, the centers of the upper virtual spherical hinge point and the lower virtual spherical hinge point are connected to form a virtual main pin axis, the positions of the upper virtual spherical hinge point and the lower virtual spherical hinge point are restrained little, a small main pin offset distance and a main pin inclination angle can be ensured simultaneously, the structure is simple, the in-wheel space of the electric automobile wheel is avoided, the problem of difficult arrangement of a suspension of a steering wheel of a wheel direct drive system of a wheel hub is solved, the space position and the direction of the virtual main pin axis can, the steering portability and the operation stability of the electric automobile are improved;
(2) the center of the lower virtual spherical hinge point is designed in the wheel, so that the offset distance of the kingpin can be reduced, the operation stability of the automobile is improved, the offset distance of the kingpin and the inclination angle of the kingpin are adjusted by adjusting the position of the upper virtual spherical hinge point, the operation is convenient, the flexibility is strong, and the space is saved;
(3) according to the invention, the wheel hub motor, the shock absorber, the spring and the steering tie rod are arranged in the wheel, and the steering knuckle is provided with the Y-shaped upper connecting arm, the Y-shaped lower connecting arm, the tie rod and the vibration reduction connecting arm, so that the wheel integrates the driving, braking, shock absorption, steering and bearing functions, and has a compact structure and good stability.
Drawings
FIG. 1 is a cross-sectional view of the structure of the present invention;
FIG. 2 is a schematic front side three-dimensional structure of the present invention;
FIG. 3 is a schematic rear side three-dimensional structure of the present invention;
the reference numbers in the figures illustrate:
1. the brake comprises a rotor, a stator support, a steering knuckle, a first spherical hinge, an upper virtual spherical hinge point, a second spherical hinge, a third spherical hinge, a first upper control arm, a fourth spherical hinge, a rotating pair, a spring, a second upper control arm, a fifth spherical hinge, a steering cross rod, a sixth spherical hinge, a shock absorber, a first lower control arm, a first upper control arm, a second upper control arm, a fourth spherical hinge, a rotating pair, a spring, a second upper control arm, a fifth spherical hinge, a steering cross rod, a third spherical hinge, a fourth spherical hinge, a shock absorber, a first lower control arm, a second spherical hinge, a second lower control arm, a second spherical hinge, a third spherical hinge, a fourth spherical hinge.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
An electric wheel independent suspension structure with four control arms, as shown in fig. 1, 2 and 3, comprises a wheel 25, a hub motor, a steering knuckle 4, a frame 26, a tie rod 15 and an independent suspension.
The in-wheel motor comprises a rotor 1, a stator 2, a stator support 3, a brake caliper 27 and a brake disc 28, wherein the stator support 3 is arranged on a wheel 25 and is fixedly connected with a steering knuckle 4 through a bolt, the rotor 1 is coaxially arranged on the stator support 3, the stator 2 is sleeved on the stator support 3, the brake disc 28 is fixed on the rotor 1 through a screw, and the brake caliper 27 is fixedly connected with the steering knuckle 4 through a bolt.
The steering knuckle 4 is fixed with a tie rod connecting arm 33, one end of the tie rod 15 is connected with the tie rod connecting arm 33 through a first spherical hinge 5, and the other end is connected with the frame 26 through an eleventh spherical hinge 34.
The independent suspension comprises a damping assembly and a control arm assembly, wherein the damping assembly is connected with a steering knuckle 4 and a vehicle frame 26, the control arm assembly comprises a first upper control arm 9, a second upper control arm 13, a first lower control arm 18 and a second lower control arm 20, two ends of the first upper control arm 9 are respectively connected with the steering knuckle 4 and the vehicle frame 26 through spherical hinges, an extension line of a central connecting line of two ends of the spherical hinges of the first upper control arm 9 and the second upper control arm 13 is intersected with an upper virtual spherical hinge point 6, an extension line of a central connecting line of two ends of the spherical hinges of the first lower control arm 18 and the second lower control arm 20 is intersected with a lower virtual spherical hinge point 24, centers of the upper virtual spherical hinge point 6 and the lower virtual spherical hinge point 24 are connected to form a virtual main pin axis 29, a center of the lower virtual spherical hinge point 24 is positioned inside a vehicle wheel 25, as shown in fig. 1, D is a main pin offset distance.
An upper connecting arm 30 and a lower connecting arm 31 are arranged on the steering knuckle 4, the upper connecting arm 30 and the lower connecting arm 31 are both Y-shaped structures, and one ends of the single end sides of the upper connecting arm 30 and the lower connecting arm 31 are fixed on the steering knuckle 4.
One end of the first upper control arm 9 and one end of the second upper control arm 13 are respectively connected with 2 end points at the two end points of the upper connecting arm 30 through a third spherical hinge 8 and a second spherical hinge 7; one end of the first lower control arm 18 and one end of the second lower control arm 20 are connected to 2 end points on both end points of the lower connecting arm 31 by a ninth spherical hinge 22 and a tenth spherical hinge 23, respectively.
The damping assembly comprises a damper 17 and a spring 12, a damping connecting arm 32 is arranged on the steering knuckle 4, a cylinder body of the damper 17 is connected with the damping connecting arm 32 through an eighth spherical hinge 21, the other end of the cylinder body is connected with a vehicle body through a revolute pair 11, one end of the spring 12 is fixedly connected with the cylinder body of the damper 17, and the other end of the spring is connected with the vehicle body.
When the wheel 25 jumps up and down and turns, the shock absorber 17 extends and contracts along the axis of the shock absorber and swings around the rotating pair 11, the first lower control arm 18 and the second lower control arm 20 swing around the sixth spherical hinge 16 and the seventh spherical hinge 19 respectively, the first upper control arm 9 and the second upper control arm 13 swing around the fourth spherical hinge 10 and the fifth spherical hinge 14 respectively, the lower virtual spherical hinge point 24 moves along with the swinging of the first lower control arm 18 and the second lower control arm 20, the upper virtual spherical hinge point 6 moves along with the swinging of the first upper control arm 9 and the second upper control arm 13, and the virtual main pin axis 29 also swings along with the changes of the upper virtual spherical hinge point 6 and the lower virtual spherical hinge point 24.
Extension lines of central connecting lines of spherical hinges at two ends of the first lower control arm 18 and the second lower control arm 20 are intersected in the wheel 25, so that the offset distance D of the kingpin is greatly reduced, and meanwhile, according to the requirement of the kingpin inclination angle a, extension lines of central connecting lines of spherical hinges at two ends of the first upper control arm 9 and the second upper control arm 13 can be intersected in the wheel 25 or outside the wheel 25, so that the wheel 25 is convenient to turn.
The embodiment provides an electric wheel independent suspension structure with four control arms, the degree of freedom of the independent suspension is 2, 1 degree of freedom is rotation along a virtual kingpin axis 29, the other one is up-and-down jumping of the independent suspension along with a wheel 25, the positions of an upper virtual spherical hinge point 6 and a lower virtual spherical hinge point 24 are restrained less, and a smaller kingpin offset distance D and a kingpin inclination angle a can be ensured simultaneously, so that the steering portability and the operation stability of an automobile can be improved.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (8)
1. The electric wheel independent suspension structure with the four control arms comprises a wheel (25), a hub motor, a steering knuckle (4), a frame (26) and an independent suspension, wherein the hub motor is installed on the wheel (25), the steering knuckle (4) is fixedly connected with the hub motor, the independent suspension comprises a vibration damping assembly and a control arm assembly, the vibration damping assembly is connected with the steering knuckle (4) and the frame (26), the electric wheel independent suspension structure is characterized in that the control arm assembly comprises a first upper control arm (9), a second upper control arm (13), a first lower control arm (18) and a second lower control arm (20), two ends of the first upper control arm (9) and two ends of the second upper control arm (13) are respectively connected with the steering knuckle (4) and the frame (26) through spherical hinges, extension lines of spherical hinge center connection lines at two ends of the first upper control arm (9) and the second upper control arm (13) are intersected with an upper virtual spherical hinge point (6), and extension lines of spherical hinge center connection lines at two ends of the first lower control arm (18) and the second lower control arm (20 The long line is crossed with the lower virtual spherical hinge point (24), and the upper virtual spherical hinge point (6) and the lower virtual spherical hinge point (24) are connected to form a virtual kingpin axis (29).
2. An electric wheel independent suspension with four control arms according to claim 1, characterized in that the center of the lower virtual ball pivot point (24) is located inside the wheel (25).
3. An electric wheel independent suspension structure with four control arms as claimed in claim 1, characterized in that the knuckle (4) is provided with an upper connecting arm (30) and a lower connecting arm (31), the upper connecting arm (30) and the lower connecting arm (31) are both Y-shaped, and one end of the upper connecting arm (30) and one end of the lower connecting arm (31) on the single end side are fixed on the knuckle (4).
4. An electric wheel independent suspension structure with four control arms as claimed in claim 3, characterized in that one end of the first upper control arm (9) and one end of the second upper control arm (13) are connected with 2 end points on both end points side of the upper connecting arm (30) through a third spherical hinge (8) and a second spherical hinge (7), respectively; one end of the first lower control arm (18) and one end of the second lower control arm (20) are respectively connected with 2 end points on the double end point side of the lower connecting arm (31) through a ninth spherical hinge (22) and a tenth spherical hinge (23).
5. The electric wheel independent suspension structure with four control arms is characterized in that the in-wheel motor comprises a rotor (1), a stator (2), a stator support (3), a brake caliper (27) and a brake disc (28), the stator support (3) is arranged on a wheel (25) and fixedly connected with a steering knuckle (4), the rotor (1) is coaxially arranged on the stator support (3), the stator (2) is sleeved on the stator support (3), the brake disc (28) is fixed on the rotor (1), and the brake caliper (27) is fixedly connected with the steering knuckle (4).
6. An electric wheel independent suspension structure with four control arms according to claim 1, characterized by further comprising a tie rod (15), wherein a tie connecting arm (33) is fixed on the steering knuckle (4), one end of the tie rod (15) is connected with the tie connecting arm (33) through a first spherical hinge (5), and the other end is connected with the frame (26) through an eleventh spherical hinge (34).
7. An electric wheel independent suspension structure with four control arms as claimed in claim 1, characterized in that the damping assembly comprises a damper (17), the knuckle (4) is provided with a damping connecting arm (32), one end of the damper (17) is connected with the damping connecting arm (32) through an eighth ball joint (21), and the other end is connected with the vehicle body through a revolute pair (11).
8. An electric wheel independent suspension with four control arms as claimed in claim 7, characterized in that the damping assembly further comprises a spring (12), one end of the spring (12) is fixedly connected with the damper (17), and the other end is connected with the vehicle body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010074304.8A CN111186270B (en) | 2020-01-22 | 2020-01-22 | Electric wheel independent suspension structure with four control arms |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010074304.8A CN111186270B (en) | 2020-01-22 | 2020-01-22 | Electric wheel independent suspension structure with four control arms |
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| CN111186270A true CN111186270A (en) | 2020-05-22 |
| CN111186270B CN111186270B (en) | 2022-09-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010074304.8A Active CN111186270B (en) | 2020-01-22 | 2020-01-22 | Electric wheel independent suspension structure with four control arms |
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| CN (1) | CN111186270B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113071267A (en) * | 2021-03-29 | 2021-07-06 | 兰溪市联盛汽车部件制造有限公司 | Double-front-axle steering mechanism with damping effect |
| CN116238276A (en) * | 2023-03-15 | 2023-06-09 | 艾德斯汽车电机无锡有限公司 | Swing arm assembly arrangement structure of automobile with hub motor |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113071267A (en) * | 2021-03-29 | 2021-07-06 | 兰溪市联盛汽车部件制造有限公司 | Double-front-axle steering mechanism with damping effect |
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| CN116238276A (en) * | 2023-03-15 | 2023-06-09 | 艾德斯汽车电机无锡有限公司 | Swing arm assembly arrangement structure of automobile with hub motor |
| US11919588B1 (en) | 2023-03-15 | 2024-03-05 | Auto Electric Drive System Wuxi Co., Ltd | Layout structure of swing arm assembly |
| CN116238276B (en) * | 2023-03-15 | 2024-08-13 | 艾德斯汽车电机无锡有限公司 | Swing arm assembly arrangement structure of automobile with hub motor |
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| CN111186270B (en) | 2022-09-20 |
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